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Diffstat (limited to '')
| -rw-r--r-- | app/core/gimpgrouplayerundo.c | 253 |
1 files changed, 253 insertions, 0 deletions
diff --git a/app/core/gimpgrouplayerundo.c b/app/core/gimpgrouplayerundo.c new file mode 100644 index 0000000..7ea70f4 --- /dev/null +++ b/app/core/gimpgrouplayerundo.c @@ -0,0 +1,253 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + */ + +#include "config.h" + +#include <gdk-pixbuf/gdk-pixbuf.h> +#include <gegl.h> + +#include "core-types.h" + +#include "gimp-memsize.h" +#include "gimpimage.h" +#include "gimpgrouplayer.h" +#include "gimpgrouplayerundo.h" + + +static void gimp_group_layer_undo_constructed (GObject *object); + +static gint64 gimp_group_layer_undo_get_memsize (GimpObject *object, + gint64 *gui_size); + +static void gimp_group_layer_undo_pop (GimpUndo *undo, + GimpUndoMode undo_mode, + GimpUndoAccumulator *accum); +static void gimp_group_layer_undo_free (GimpUndo *undo, + GimpUndoMode undo_mode); + + +G_DEFINE_TYPE (GimpGroupLayerUndo, gimp_group_layer_undo, GIMP_TYPE_ITEM_UNDO) + +#define parent_class gimp_group_layer_undo_parent_class + + +static void +gimp_group_layer_undo_class_init (GimpGroupLayerUndoClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + GimpObjectClass *gimp_object_class = GIMP_OBJECT_CLASS (klass); + GimpUndoClass *undo_class = GIMP_UNDO_CLASS (klass); + + object_class->constructed = gimp_group_layer_undo_constructed; + + gimp_object_class->get_memsize = gimp_group_layer_undo_get_memsize; + + undo_class->pop = gimp_group_layer_undo_pop; + undo_class->free = gimp_group_layer_undo_free; +} + +static void +gimp_group_layer_undo_init (GimpGroupLayerUndo *undo) +{ +} + +static void +gimp_group_layer_undo_constructed (GObject *object) +{ + GimpGroupLayerUndo *group_layer_undo = GIMP_GROUP_LAYER_UNDO (object); + GimpGroupLayer *group; + + G_OBJECT_CLASS (parent_class)->constructed (object); + + g_return_if_fail (GIMP_IS_GROUP_LAYER (GIMP_ITEM_UNDO (object)->item)); + + group = GIMP_GROUP_LAYER (GIMP_ITEM_UNDO (object)->item); + + switch (GIMP_UNDO (object)->undo_type) + { + case GIMP_UNDO_GROUP_LAYER_SUSPEND_RESIZE: + case GIMP_UNDO_GROUP_LAYER_RESUME_RESIZE: + case GIMP_UNDO_GROUP_LAYER_SUSPEND_MASK: + case GIMP_UNDO_GROUP_LAYER_START_TRANSFORM: + case GIMP_UNDO_GROUP_LAYER_END_TRANSFORM: + break; + + case GIMP_UNDO_GROUP_LAYER_RESUME_MASK: + group_layer_undo->mask_buffer = + _gimp_group_layer_get_suspended_mask(group, + &group_layer_undo->mask_bounds); + + if (group_layer_undo->mask_buffer) + g_object_ref (group_layer_undo->mask_buffer); + break; + + case GIMP_UNDO_GROUP_LAYER_CONVERT: + group_layer_undo->prev_type = gimp_drawable_get_base_type (GIMP_DRAWABLE (group)); + group_layer_undo->prev_precision = gimp_drawable_get_precision (GIMP_DRAWABLE (group)); + group_layer_undo->prev_has_alpha = gimp_drawable_has_alpha (GIMP_DRAWABLE (group)); + break; + + default: + g_return_if_reached (); + } +} + +static gint64 +gimp_group_layer_undo_get_memsize (GimpObject *object, + gint64 *gui_size) +{ + GimpGroupLayerUndo *group_layer_undo = GIMP_GROUP_LAYER_UNDO (object); + gint64 memsize = 0; + + memsize += gimp_gegl_buffer_get_memsize (group_layer_undo->mask_buffer); + + return memsize + GIMP_OBJECT_CLASS (parent_class)->get_memsize (object, + gui_size); +} + +static void +gimp_group_layer_undo_pop (GimpUndo *undo, + GimpUndoMode undo_mode, + GimpUndoAccumulator *accum) +{ + GimpGroupLayerUndo *group_layer_undo = GIMP_GROUP_LAYER_UNDO (undo); + GimpGroupLayer *group; + + group = GIMP_GROUP_LAYER (GIMP_ITEM_UNDO (undo)->item); + + GIMP_UNDO_CLASS (parent_class)->pop (undo, undo_mode, accum); + + switch (undo->undo_type) + { + case GIMP_UNDO_GROUP_LAYER_SUSPEND_RESIZE: + case GIMP_UNDO_GROUP_LAYER_RESUME_RESIZE: + if ((undo_mode == GIMP_UNDO_MODE_UNDO && + undo->undo_type == GIMP_UNDO_GROUP_LAYER_SUSPEND_RESIZE) || + (undo_mode == GIMP_UNDO_MODE_REDO && + undo->undo_type == GIMP_UNDO_GROUP_LAYER_RESUME_RESIZE)) + { + /* resume group layer auto-resizing */ + + gimp_group_layer_resume_resize (group, FALSE); + } + else + { + /* suspend group layer auto-resizing */ + + gimp_group_layer_suspend_resize (group, FALSE); + + if (undo->undo_type == GIMP_UNDO_GROUP_LAYER_RESUME_RESIZE && + group_layer_undo->mask_buffer) + { + GimpLayerMask *mask = gimp_layer_get_mask (GIMP_LAYER (group)); + + gimp_drawable_set_buffer_full (GIMP_DRAWABLE (mask), + FALSE, NULL, + group_layer_undo->mask_buffer, + &group_layer_undo->mask_bounds, + TRUE); + } + } + break; + + case GIMP_UNDO_GROUP_LAYER_SUSPEND_MASK: + case GIMP_UNDO_GROUP_LAYER_RESUME_MASK: + if ((undo_mode == GIMP_UNDO_MODE_UNDO && + undo->undo_type == GIMP_UNDO_GROUP_LAYER_SUSPEND_MASK) || + (undo_mode == GIMP_UNDO_MODE_REDO && + undo->undo_type == GIMP_UNDO_GROUP_LAYER_RESUME_MASK)) + { + /* resume group layer mask auto-resizing */ + + gimp_group_layer_resume_mask (group, FALSE); + } + else + { + /* suspend group layer mask auto-resizing */ + + gimp_group_layer_suspend_mask (group, FALSE); + + if (undo->undo_type == GIMP_UNDO_GROUP_LAYER_RESUME_MASK && + group_layer_undo->mask_buffer) + { + _gimp_group_layer_set_suspended_mask ( + group, + group_layer_undo->mask_buffer, + &group_layer_undo->mask_bounds); + } + } + break; + + case GIMP_UNDO_GROUP_LAYER_START_TRANSFORM: + case GIMP_UNDO_GROUP_LAYER_END_TRANSFORM: + if ((undo_mode == GIMP_UNDO_MODE_UNDO && + undo->undo_type == GIMP_UNDO_GROUP_LAYER_START_TRANSFORM) || + (undo_mode == GIMP_UNDO_MODE_REDO && + undo->undo_type == GIMP_UNDO_GROUP_LAYER_END_TRANSFORM)) + { + /* end group layer transform operation */ + + _gimp_group_layer_end_transform (group, FALSE); + } + else + { + /* start group layer transform operation */ + + _gimp_group_layer_start_transform (group, FALSE); + } + break; + + case GIMP_UNDO_GROUP_LAYER_CONVERT: + { + GimpImageBaseType type; + GimpPrecision precision; + gboolean has_alpha; + + type = gimp_drawable_get_base_type (GIMP_DRAWABLE (group)); + precision = gimp_drawable_get_precision (GIMP_DRAWABLE (group)); + has_alpha = gimp_drawable_has_alpha (GIMP_DRAWABLE (group)); + + gimp_drawable_convert_type (GIMP_DRAWABLE (group), + gimp_item_get_image (GIMP_ITEM (group)), + group_layer_undo->prev_type, + group_layer_undo->prev_precision, + group_layer_undo->prev_has_alpha, + NULL, + 0, 0, + FALSE, NULL); + + group_layer_undo->prev_type = type; + group_layer_undo->prev_precision = precision; + group_layer_undo->prev_has_alpha = has_alpha; + } + break; + + default: + g_return_if_reached (); + } +} + +static void +gimp_group_layer_undo_free (GimpUndo *undo, + GimpUndoMode undo_mode) +{ + GimpGroupLayerUndo *group_layer_undo = GIMP_GROUP_LAYER_UNDO (undo); + + g_clear_object (&group_layer_undo->mask_buffer); + + GIMP_UNDO_CLASS (parent_class)->free (undo, undo_mode); +} |